cis-1,2-Dichloroethylene
City of Idaho Falls
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
14
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 1 | 0 | ND |
| 2021 | ND | 9 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 70 ppb
The legal limit for cis-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-09-18 | VB18091727001 | ND |
| 2018-10-10 | VB18101095001 | ND |
| 2019-03-25 | VB19032049001 | ND |
| 2019-04-16 | VB19041514001 | ND |
| 2020-07-08 | VB20070749001 | ND |
| 2021-08-02 | VB21080203008 | ND |
| 2021-08-02 | VB21080203005 | ND |
| 2021-08-02 | VB21080203002 | ND |
| 2021-08-02 | VB21080203003 | ND |
| 2021-08-02 | VB21080203001 | ND |
| 2021-08-02 | VB21080203007 | ND |
| 2021-08-02 | VB21080203009 | ND |
| 2021-08-02 | VB21080203004 | ND |
| 2021-08-02 | VB21080203006 | ND |